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- 01:38, 19 February 2021 MMA7455 (hist) [31 bytes] Chao (talk | contribs) (Created page with "category: NXP Accelerometer")
- 01:37, 19 February 2021 MMA7361 (hist) [31 bytes] Chao (talk | contribs) (Created page with "category: NXP Accelerometer")
- 03:21, 18 February 2021 TMC2225 (hist) [22 bytes] Chao (talk | contribs) (Created page with "category: Trinamic")
- 03:17, 18 February 2021 TB67S109 (hist) [79 bytes] Chao (talk | contribs) (Created page with "category: Toshiba")
- 00:37, 18 February 2021 WS2812-Matrix (hist) [163 bytes] Chao (talk | contribs) (Created page with "* Each dot WS2812 LED is about 5x5 mm length and width frame category: Display")
- 05:31, 8 February 2021 PSRAM (hist) [1,156 bytes] Chao (talk | contribs) (Created page with "* ESP-PSRAM64H * IPS6404L category: RAM")
- 00:04, 7 February 2021 Solar Power Charge (hist) [314 bytes] Chao (talk | contribs) (Created page with "YX8018 * http://www.datasheet5.cn/yx8018-%E6%95%B0%E6%8D%AE%E6%89%8B%E5%86%8C-pdf/ category: Battery Charger")
- 23:57, 6 February 2021 Rechargeable Battery (hist) [1,057 bytes] Chao (talk | contribs) (Created page with "* AAA NiCd cell * LIR coin cell category: Battery Type")
- 14:06, 5 February 2021 Relay Types (hist) [80 bytes] Chao (talk | contribs) (Created page with "* 磁保持继电器 * 电磁继电器 category; Relay")
- 10:40, 5 February 2021 Relay Drive (hist) [241 bytes] Chao (talk | contribs) (Created page with "* BL8023F - 5V can not work category: Relay")
- 04:11, 5 February 2021 Mifare APP (hist) [70 bytes] Chao (talk | contribs) (Created page with "* 深圳通 * payoneer * 招商银行生意卡 category: HF RFID")
- 23:40, 4 February 2021 Mifare (hist) [1,407 bytes] Chao (talk | contribs) (Created page with "frame|right * The memory area of the MIFARE 1k is organized in 16 numbered sectors from 0 to 15. * Each sector contains 4 blocks (block 0 to 3)....")
- 08:49, 4 February 2021 Work Soft (hist) [210 bytes] Chao (talk | contribs) (Created page with "<accesscontrol>CM</accesscontrol> PCB: AD20 / Eagle 9.6.2 / Kicad 5 CAD: Fusion360 / NX")
- 08:24, 4 February 2021 RFID Info (hist) [4,693 bytes] Chao (talk | contribs) (Created page with "关于IC卡，自认了解的比较透彻了。简单科普一下。<br> 常用的门禁卡分两种，分别是IC卡和ID卡。简单区别IC卡和ID卡的方式，是用手...")
- 08:12, 4 February 2021 RFID Tags IC (hist) [143 bytes] Chao (talk | contribs) (Created page with "* https://www.st.com/en/nfc/st25-dynamic-nfc-tags.html#products category: RFID")
- 08:11, 4 February 2021 RFID Protocols (hist) [2,697 bytes] Chao (talk | contribs) (Created page with "常用的RFID卡分布在高频和超高频。 高频卡目前的频率主要是13.56MHz。有几种标准；ISO-14443-A、ISO-14443-B、ISO-15693、ISO-18000-3；...")
- 08:05, 4 February 2021 ISO-14443 (hist) [17 bytes] Chao (talk | contribs) (Created page with "category: ISO")
- 08:03, 4 February 2021 ST25DV (hist) [683 bytes] Chao (talk | contribs) (Created page with "* ISO 15693 category: NFC category: ST NFC")
- 08:02, 4 February 2021 NFC Chips (hist) [67 bytes] Chao (talk | contribs) (Created page with "* PN532 * ST25DV * ST95 * ST25T category: NFC")
- 07:49, 4 February 2021 RFID Band (hist) [958 bytes] Chao (talk | contribs) (Created page with "{| class="wikitable sortable" |- ! - !! Low Frequency !! High Frequency HF !! Ultra High Frequency !! Microwave |- | - || 125Khz || 13.56Mhz || 840~960Mhz || 2.4~2.5Ghz |- | W...")
- 03:03, 4 February 2021 SY8089 (hist) [100 bytes] Chao (talk | contribs) (Created page with "* Vout = 0.6 * (1 + R1/R2) * 4V / 0.6 - 1 = 100K / R2, R2 =20K category: Sylergy")
- 09:07, 3 February 2021 ESP8266 PROG (hist) [788 bytes] Chao (talk | contribs) (Created page with "{| class="wikitable sortable" |- ! Setup !! ESP-12S !! - |- | SPI Speed || 40MHz || 40MHz |- | Crystal || 26Mhz || 26Mhz |- | SPI Mode || QIO || - |- | Flash Size || 32Mbit||...")
- 08:23, 3 February 2021 PJ Series (hist) [95 bytes] Chao (talk | contribs) (Created page with "* PJ-114 * PJ-218 * PJ-313 * PJ-320 * PJ-327 * PJ-342 * PJ-383 category: Audio Jack")
- 03:42, 3 February 2021 Analog LDR (hist) [34 bytes] Chao (talk | contribs) (Created page with "* 5528 category: Light Sensor")
- 00:51, 3 February 2021 DC-DC Design (hist) [2,912 bytes] Chao (talk | contribs) (Created page with "<accesscontrol>CM</accesscontrol> * 开关频率很高的直流电源转换器(DC/DC) 正逐渐流行，因为它们可以藉由较小的输出电容和电感，进而节省...")
- 00:14, 3 February 2021 DC-DC Buck Pick (hist) [652 bytes] Chao (talk | contribs) (Created page with "5.5V to ADJ / 2A * SY8089 category: DC-DC Buck")
- 11:18, 1 February 2021 Github Project (hist) [100 bytes] Chao (talk | contribs) (Created page with "<accesscontrol>CM</accesscontrol> * https://github.com/peng-zhihui/L-ink_Card category: Project")
- 03:48, 1 February 2021 EC20 HDK (hist) [235 bytes] Chao (talk | contribs) (Created page with "== Schematic == <gallery> File:EC20_SCH.png | EC20 </gallery> == Guidelines == <gallery> File:Boot-option-ec20.png| Short connected two blue marked pins to auto start (can a...")
- 00:32, 1 February 2021 QC-PD (hist) [118 bytes] Chao (talk | contribs) (Created page with "* Type-C only * Five voltage: 5V / 9V / 12V / 15V / 20V Battery Bank * Output ~12V * Input ~12V category: QC")
- 06:55, 31 January 2021 Current (hist) [494 bytes] Chao (talk | contribs) (Created page with "* Thickness = 1oz {| class="wikitable sortable" |- ! Current !! Tempearture Raise !! Thickness !! Trace Length (Optional) !! Result |- | 10A || 20C || 1 OZ || 10mm || 12.288...")
- 07:40, 29 January 2021 SIM7000G Debug (hist) [137 bytes] Chao (talk | contribs) (Created page with " * USB baudrate 115200 * UART baudrate 9600 * PL2303 test USB-TTL works at 3.3V/5V logic level category: SIMCOM category: Debug")
- 04:19, 29 January 2021 1N4148 (hist) [554 bytes] Chao (talk | contribs) (Created page with "<accesscontrol>CM</accescontrol> * 1N4148 一条杠 * 1N4148 两条杠 * 1N4148 三条杠 - category: Diode")
- 04:18, 29 January 2021 Diode Debug (hist) [54 bytes] Chao (talk | contribs) (Created page with "* 1N4148 Category: Debug Category: Diode")
- 02:36, 28 January 2021 DEV Board Design (hist) [436 bytes] Chao (talk | contribs) (Created page with "== Prepare == * Check official development board, make sure BSP match, * Programmable GPIO: Button, LED, etc == Power Supply == * Power supply option: USB, USB+Battery, Bu...")
- 01:09, 28 January 2021 Atmel-ICE (hist) [51 bytes] Chao (talk | contribs) (Created page with "* ISP * UPDI category: AVR Emulator")
- 14:36, 27 January 2021 CR1220 (hist) [41 bytes] Chao (talk | contribs) (Created page with "* 40 mAh 3V category: Battery Type")
- 14:13, 27 January 2021 CR2032 (hist) [5,569 bytes] Chao (talk | contribs) (Created page with "* 225 mAh * 3V * https://zh.wikipedia.org/wiki/CR2032%E7%94%B5%E6%B1%A0 category: Battery Type")
- 14:09, 27 January 2021 CR2450 (hist) [53 bytes] Chao (talk | contribs) (Created page with "* 3V / 540 mAh / 0.4 mA category: Battery Type")
- 14:06, 27 January 2021 A23/A27 (hist) [64 bytes] Chao (talk | contribs) (Created page with "* stack inside coin battery * 20 mAh category: Battery Type")
- 13:04, 27 January 2021 MEDBG (hist) [72 bytes] Chao (talk | contribs) (Created page with "Emulator * ATmega32u4")
- 09:16, 27 January 2021 NMOS (hist) [62 bytes] Chao (talk | contribs) (Created page with "* 2N7002 Id = 300mA * SI2302DS Id = 2.8A category: Mosfet")
- 09:14, 27 January 2021 Reverse Direction (hist) [151 bytes] Chao (talk | contribs) (Created page with "Best Method: Use FET * Use PMOS mosfet on VCC, gate by GND * File:Reverse_CurrentBattery_Protection_Circuits.pdf category: Protection Circuits")
- 09:04, 27 January 2021 Forward Voltage (hist) [369 bytes] Chao (talk | contribs) (Created page with "* The voltage dropped across a conducting, forward-biased diode is called the forward voltage. Forward voltage for a diode varies only slightly for changes in forward current...")
- 13:06, 26 January 2021 USBTiny (hist) [99 bytes] Chao (talk | contribs) (Created page with "* https://www.tindie.com/products/nsayer/usb-uisp/ category: Programmer category: Projects")
- 12:13, 26 January 2021 YM3812 (hist) [84 bytes] Chao (talk | contribs) (Created page with "* https://www.tindie.com/products/cheerful/opl2-audio-board/ category: Projects")
- 07:15, 26 January 2021 OV Protection (hist) [1,277 bytes] Chao (talk | contribs) (Created page with "* Varistor - 限压保护 * TVS in parallel - prevent surge voltage * 稳压管 category: Protection Circuits")
- 07:13, 26 January 2021 Logic Circuits (hist) [366 bytes] Chao (talk | contribs) (Created page with "== Logic circuit == 1n4148 5V-3.3V * http://circuits4you.com/2016/12/14/io-level-conversion-esp8266/ * https://forums.adafruit.com/viewtopic.php?f=25&t=117259 * https://electr...")
- 07:12, 26 January 2021 ADC Circuits (hist) [22 bytes] Chao (talk | contribs) (Created page with "category: Circuits")
- 01:30, 26 January 2021 XC LDO (hist) [43 bytes] Chao (talk | contribs) (Created page with "* SC6220 * SC6206 category: Vendor LDO")
- 01:19, 26 January 2021 SY LDO (hist) [71 bytes] Chao (talk | contribs) (Created page with "* SY6345AAC - 40V 300mA category: Sylergy category: Vendor LDO")
- 00:44, 26 January 2021 MaxLinear (hist) [24 bytes] Chao (talk | contribs) (Created page with "category: Vendor LDO")
- 00:44, 26 January 2021 MCP (hist) [24 bytes] Chao (talk | contribs) (Created page with "category: Vendor LDO")
- 00:43, 26 January 2021 SGM (hist) [99 bytes] Chao (talk | contribs) (Created page with "category: Vendor LDO")
- 12:01, 25 January 2021 Feed (hist) [116 bytes] Chao (talk | contribs) (Created page with "* https://fetchrss.com/account * https://feed43.com/ category: Knowledge")
- 11:37, 25 January 2021 Synth (hist) [1,069 bytes] Chao (talk | contribs) (Created page with "* https://www.instructables.com/Dub-Siren-555-Timer/ * https://jacoblysgaard.com/2009/08/dyi-dub-siren-%E2%80%93-the-complete-rubdown/ category: Application")
- 11:30, 25 January 2021 Ammeter (hist) [57 bytes] Chao (talk | contribs) (Created page with "* https://github.com/lgtbp/lp_tool category: Ammeter")
- 10:57, 25 January 2021 Power Select (hist) [3,484 bytes] Chao (talk | contribs) (Created page with "<gallery> File:Power-select-01.jpg | 01 File:Power-select-02.jpg | 02 </gallery> 01 * 5V 接入, 电池接入, 开关断开, G1, G2 高电平, S2 电平比D2 高, 体二极...")
- 05:36, 25 January 2021 BC-04BK (hist) [82 bytes] Chao (talk | contribs) (Created page with "<gallery> File:BC-04BK-SCH.png | Jumper definition </gallery> category: BC-04")
- 05:29, 25 January 2021 BC-04 HDK (hist) [365 bytes] Chao (talk | contribs) (Created page with "=== Switch Master/Slave Mode === Hardware settings: {| class="wikitable sortable" |- ! Methods !! PIO (4) !! PIO (5) !! AT Commands!! Mode |- | Hardware || LOW or NC || HIGH |...")
- 05:29, 25 January 2021 BC-04 SDK (hist) [1,478 bytes] Chao (talk | contribs) (Created page with "== Use Guide == * To Computer: # Use TTL-RS232 convert board # Module power supply 3.3 V # TX and RX connected to RX and TX * To other modules # TX and RX connected to RX and...")
- 00:19, 25 January 2021 HKE Relay (hist) [94 bytes] Chao (talk | contribs) (Created page with "HKE Relay * http://en.hke.cn/cate/en/products/relays/power/id-22/ category: Relay Vendor")
- 00:17, 25 January 2021 HF Relay (hist) [211 bytes] Chao (talk | contribs) (Created page with "HF32F-G Relay * HF32F-G_cn category: Relay Vendor")
- 13:37, 24 January 2021 JLink Clone (hist) [67 bytes] Chao (talk | contribs) (Created page with "* https://github.com/Kevincoooool/MCU_Link_Diy category: JLink")
- 13:31, 24 January 2021 Balancing Charger (hist) [173 bytes] Chao (talk | contribs) (Created page with "Project * https://github.com/AlexKlimaj/LiPow-Firmware * https://www.amobbs.com/thread-5737986-1-1.html category: Charger")
- 13:30, 24 January 2021 Battery Pack (hist) [45 bytes] Chao (talk | contribs) (Created page with "* 2S * 3S * 4S - 14.8V category: Battery")
- 13:02, 24 January 2021 Flyback (hist) [183 bytes] Chao (talk | contribs) (Created page with "* https://baike.baidu.com/item/反激式变压器 category: AC-DC Terms")
- 12:59, 24 January 2021 SSD201 (hist) [23 bytes] Chao (talk | contribs) (Created page with "category: SigmaStar")
- 12:55, 24 January 2021 BDC Drive Vendor (hist) [37 bytes] Chao (talk | contribs) (Created page with "TI * DRV8832 category: BDC Drive")
- 12:46, 24 January 2021 About BLDC (hist) [78 bytes] Chao (talk | contribs) (Created page with "* 无刷电机 https://baike.baidu.com/item/无刷电机 category: BLDC")
- 12:16, 24 January 2021 Jlink Programmer (hist) [169 bytes] Chao (talk | contribs) (Created page with "* flash.py：https://github.com/mbedmicro/pyOCD * flash_algo.py：https://github.com/mbedmicro/FlashAlgo * https://github.com/XIVN1987/JMCUProgFast category: JLink")
- 12:15, 24 January 2021 Jlink Debug (hist) [258 bytes] Chao (talk | contribs) (Created page with "== Common Errors == * C:\MDKARM_v5\ARM\Segger\JLinkARM.dll * Replace by C:\Program Files (x86)\SEGGER\JLink_V612a\JLinkARM.dll or similar versions nrf52832 "Error: Flash Downl...")
- 12:14, 24 January 2021 About Jlink (hist) [583 bytes] Chao (talk | contribs) (Created page with "== About J-Link == * J-Link-OB developed by Segger, for development board "on-board" * Interface include JTAG and SWD, simple version only have SWD * Support IDE: J-Flash AR...")
- 12:13, 24 January 2021 JLink SDK (hist) [145 bytes] Chao (talk | contribs) (Created page with "== Software == <Gallery> File:SW_mode_jlink.jpg | SW Wire Mode File:J-link_ARM_software.jpg | Jlink ARM software </gallery> category: Jlink")
- 12:13, 24 January 2021 JLink HDK (hist) [639 bytes] Chao (talk | contribs) (Created page with "== Hardware == <Gallery> File:Jlink_OB_STM32F103_SCH.png | JLink OB STM32F103 X893 File:Jlink_OB_STM32F072.SCH.png | JLink OB STM32F072 File:Jlink-OB_SCH_KS.png | Jlink OB STM...")
- 07:29, 24 January 2021 ULN2003 (hist) [207 bytes] Chao (talk | contribs) (Created page with "ULN2003 * ULN2003 Board Schematic - 红色 =red; 橙色=orange; 黄色=yellow; 紫色=purple; 蓝色=Blue * :File:ULN2003.pdf|ULN2003 Datash...")
- 07:28, 24 January 2021 LV8729 (hist) [1,067 bytes] Chao (talk | contribs) (Created page with "== Use Guide LV8729 Module Drive== Note: When checking Vref, do not connect motor, but connect power and USB power. When tuning Vref, first turn to smallest in case of burn ou...")
- 07:27, 24 January 2021 TMC2100 (hist) [1,156 bytes] Chao (talk | contribs) (Created page with "== Use Guide TMC2100 Drive == * Drive current algorithm: i = Vref * 1.9 / 2.5, the default Vref about 0.65v, so the default current 0.5A, the maximum current 1A! * Vref measur...")
- 07:26, 24 January 2021 TB6600 (hist) [1,767 bytes] Chao (talk | contribs) (Created page with "== Use Guide TB6600, 6560 == Note: * Double check the wiring before to use, otherwise the module could be burnt. * Do not use more than 3A motor === Wiring === <gallery> File...")
- 07:25, 24 January 2021 Motor Drive Guide (hist) [2,149 bytes] Chao (talk | contribs) (Created page with "== Compare and Select (Reference Only) == * Two full H-bridges = four half H-bridges. That means you can drive four solenoids, two DC motors bi-directionally * Stepper Guide...")
- 06:59, 24 January 2021 PLC (hist) [85 bytes] Chao (talk | contribs) (Created page with "* opensource project - https://github.com/nucleron/beremiz category: Application")
- 06:58, 24 January 2021 Antenna 2.4Ghz (hist) [117 bytes] Chao (talk | contribs) (Created page with "* Common 2.4Ghz antena - :File:2.4ghz_common_antenna-1.pdf category: Antenna")
- 06:12, 24 January 2021 Bluetooth Modules (hist) [627 bytes] Chao (talk | contribs) (Created page with "== Modules == {| class="wikitable sortable" |- ! Type !! Function !! Header text !! Type !! Certificated |- | EY-08 || - || CC2541 Core || 4.0 || FCC-ID: 2AM2YJDY-08, IC-...")
- 06:11, 24 January 2021 Bluetooth APP (hist) [416 bytes] Chao (talk | contribs) (Created page with "== Control APP == Recommanded android SPP APP: {| class="wikitable sortable" |- ! APP !! Status !! Function |- | BlueSPP || not working well || support to use as "switch" or...")
- 06:08, 24 January 2021 Bluetooth Version (hist) [554 bytes] Chao (talk | contribs) (Created page with "== Bluetooth Versions == === Bluetooth 5.0 === <gallery> File:Bluetooth5_specs.jpg | Bluetooth Evolutions File:Smart_buidlings_01.png | Smart Buildings </gallery> * http://pa...")
- 08:24, 22 January 2021 Hisilicon (hist) [79 bytes] Chao (talk | contribs) (Created page with "* HI3518 - https://www.amobbs.com/thread-5744490-1-1.html category: Vendors")
- 08:23, 22 January 2021 LDO List (hist) [488 bytes] Chao (talk | contribs) (Created page with "ETA Solution * ETA3425 category: LDO")
- 05:02, 22 January 2021 STM32 Replacement (hist) [1,141 bytes] Chao (talk | contribs) (Created page with " category: STM32")
- 02:30, 21 January 2021 EY-40 Debug (hist) [90 bytes] Chao (talk | contribs) (Created page with "<accesscontrol>CM</accesscontrol> * SEL HIGH + CS HIGH to Sleep Mode category: JDY")
- 23:47, 20 January 2021 Arduino Code (hist) [521 bytes] Chao (talk | contribs) (Created page with "Main repository - https://github.com/Edragon/Arduino Folders * 74HC595 Display Header - Arduino/arduino-env/Sketchbook/Interactive/seg_display-74HC595/ category: Github")
- 23:36, 20 January 2021 TM1650 (hist) [695 bytes] Chao (talk | contribs) (Created page with "TM1650 * http://playground.arduino.cc/Main/TM1650 * https://github.com/arkhipenko/TM1650 category: TM16xx")
- 23:35, 20 January 2021 TM1638 (hist) [118 bytes] Chao (talk | contribs) (Created page with "TM1638 * TM1638 datasheet - File:Tm1638.pdf * TM1638 C51 demo code - File:HT1638_C51.zip category: TM1638")
- 23:34, 20 January 2021 TM1637 (hist) [296 bytes] Chao (talk | contribs) (Created page with "TM1637 * Arduino library for TM1637: File:DigitalTubeforArduino1.0+.zip, or find the update at https://github.com/avishorp/TM1637, You may also need the dependency librar...")
- 23:20, 20 January 2021 Segment LEDs (hist) [302 bytes] Chao (talk | contribs) (Created page with "== Segment LEDs == <gallery> File:7-segment-display.png| 4 digi segment display File:4 digi 7 segment display.jpg| 4 digi segment display File:7-segment_display_1digi.jpg| 1 d...")
- 23:20, 20 January 2021 74HC595 Segment Display (hist) [1,612 bytes] Chao (talk | contribs) (Created page with "== 4-digi x Segments Display 74HC595 == === Specification === * Interface: VCC, GND, Data - SDI, CLK - CLOCK, LCK - LATCH * Front Panel Size: 79 * 43 mm * Hole spacing: 76 *...")
- 12:33, 20 January 2021 Case Supplier (hist) [439 bytes] Chao (talk | contribs) (Created page with "* https://jg-mould.taobao.com/search.htm?spm=a1z10.3-c.w4002-16270993441.56.526a56b2bPtPZL&_ksTS=1611160336552_193&callback=jsonp194&mid=w-16270993441-0&wid=16270993441&path=%...")
- 12:06, 20 January 2021 Waterproof Case (hist) [471 bytes] Chao (talk | contribs) (Created page with "<gallery> </gallery> category: Prototyping Case")
- 12:04, 20 January 2021 Industrial Case (hist) [291 bytes] Chao (talk | contribs) (Created page with "http://www.shell-mould.com/product.asp?page=3&classid=17<br> Industrial Case 工控 壳 <br> 11060 * 200 X 110 X 60 * 155 X 110 X 60 9556 * 160 X 95 X 56 9040 * 150 X 90 X...")
- 12:02, 20 January 2021 Rail Case (hist) [175 bytes] Chao (talk | contribs) (Created page with "导轨壳 * 88 X 55 X 44 * 5032-82 * 5031-96 http://www.shell-mould.com/view.asp?id=337 * 5544-88 * 3759-88 * 7259-88 * 8859-107 category: Protoyping case")
- 12:01, 20 January 2021 LED Driver Case (hist) [199 bytes] Chao (talk | contribs) (Created page with " {| class="wikitable" |- ! Mode !! PCB Rough size mm !! Header text |- | B-003 || Example || Example |- | B-004 || 88x36 || Example |- | B-005 || 65x32 || Example |} cate...")
- 04:01, 20 January 2021 Drilling (hist) [151 bytes] Chao (talk | contribs) (Created page with "* 六角柄 category: Mechanical")
