esp8266开发板设计：D1 mini Plus V1.0

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都2020年了, 开发板咋还遍地都用Micro usb ? 画个type-c的用用。。。嘿，您还别说，正反插真香!

D1 mini Plus

github项目地址

A development kit Improved from D1 mini Pro V1.0.0

The first test board welded by hand and it works great!

Add connector & bolts for fixing

Features

  • Pin to pin with D1 mini development kits
  • Double-sided PCB layout, the board thickness is 0.8mm, size is 36.0mm x25.6mm
  • All components are on one side
  • Discrete components are packaged in 0603, which is easy to solder by hand
  • There are four M2 holes around the PCB that are easy to fix
  • USB C Connector horizontal In-Board 1.6mm supports positive and negative insertion
  • Leads the TX & RX LEDs GPIO.0-1 of cp2104, you can use AN721 to turn them on or off
  • Use the USBLC6-2 ic to ESD protection, If you don't need it, you don't need to solder, this will not affect the serial port work

Pin Map (Back View)

There is no cartoon logo on the back of the shared PCB file XD

Designator & Parameter

Qty Value Device Package Parts Description
1 26MHz 3225_CRYSTALL 3.2X2.5_KX-7 U$3 EPSON TSX-3225 ±10ppm 9pf
2 2.54mm CONN_08NO_SILK_FEMALE_PTH 1X08_NO_SILK J1, J2 0.1 inch spaced/style header connections
1 U1 ME6211C33M5G-N SOT23-5 U$1 3.3V 500mA 低差压线性稳压器
1 2.4GHz RAINSUN_AT9520 AN9520 U$4 Ceramic antenna 陶瓷天线
1 USB-C_BELOW_BOARD USB-C_BLOW_BOARD USB-C
2 blank RESISTOR0603 603 R11, R12 Generic Resistor Package
1 100k RESISTOR0603 603 R13 Generic Resistor Package
5 100nF CAP-0603 603 C4, C7, C12, C13, C14
5 10k RESISTOR0603 603 R7, R8, R15, R16, R17 Generic Resistor Package
2 10pF CAP-0603 603 C5, C11
1 10uF CAP-0603 603 C9
1 12k RESISTOR0603 603 R5 Generic Resistor Package
3 1k RESISTOR0603 603 R4, R9, R10 Generic Resistor Package
1 1uF CAP-0603 603 C8
2 1uF/X7R CAP-0603 603 C1, C2
1 200 RESISTOR0603 603 R6 Generic Resistor Package
1 220k RESISTOR0603 603 R14 Generic Resistor Package
2 4.7uF CAP-0603 603 C3, C6
2 470 RESISTOR0603 603 R2, R3 Generic Resistor Package
1 4k7 RESISTOR0603 603 R1 Generic Resistor Package
1 5.6pF CAP-0603 603 C10
1 6V 0.5A RESISTOR0603 603 F1 Generic Resistor Package
1 B5819W DIODE-SOD323-R SOD323-R D3 Schottky DIODE
3 BLUE LED-BLUE0603 LED-0603 D1, D2, D4 Blue SMD LED
1 CP2104 CP2104 QFN24_4MM_SMSC U3 CP2104 - USB to UART Bridge
1 ESP8266 ESP8266 QFN32-5X5MM U1 Espressif ESP8266 WiFi/Microcontroller SoC
1 SWITCH MOMENTARY-SWITCH-SPST-SMD TACTILE_SWITCH_SMD S1 Momentary Switch (Pushbutton) - SPST
1 U2 UMH3N SOT363 U$2 NPN 100mA 50V Complex Digital Transistors (Bias Resistor Built-in Transistors)
1 USBLC6-2 USBLC6-2SOT23-6 SOT23-6 U$11 low capacitance ESD protection
1 W25Q32FV W25Q32FVSS SOIC-8 U2 W25Q32FV 32Mb (4MB) Serial Flash Memory

SPI test: ST7789V Graphicstest

Testing in SPI FREQUENCY 40000000

TFT_espiTest

For more, please see...

I2C test: read MPU6050 DMP Euler angles in degrees

For more, please see...

ADC0 test: basic NTC thermistor measurement circuit

For more, please see...

Wifi scan test

For more, please see...

CP2104 TX & RX LEDs - How to get them working?

First, download and unzip the AN721: Download link, for windows, click in this document

Second, run the CP21xxCustomizationUtility.exe

Third, according to the page 28 from AN721: USBXpress™ Device Configuration and Programming Guide, we set the latch for ticking the GPIO0 and GPIO1;

Click "Program Device" button and wait a minute,the change will be saved in CP2104:

Finally, whether you upload a program or use a serial port, the led of CP2104 will flash, enjoy it 😂