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The ESP32 Pico Discovery Board

Experimenting made simple

The ESP32 Pico Discovery Board
The ESP32 chip is the big brother of the ESP8266: more SRAM memory, higher CPU speed, Bluetooth communication and a greater number of interface pins are just some of its features. Development boards such as the ESP32 Pico Kit make handling easier, they come already equipped with all the essentials such as an antenna, a voltage regulator and a USB interface. The use of pinheaders allows it to be plugged into a breadboard where an application circuit can be built around it. Some of the other necessary components such as pushbuttons, LEDs and a display are not always to hand. This is where the ESP32 Pico Discovery Board comes in, along with these essential components it also has a potentiometer and 7-segment display on one neat board.
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Component list

Component List

 

Resistors

R1,R2,R3,R4,R5,R6,R7,R8,R9,R10,R16,R17,R18,R19,R20,R21,R22,R23 = 330Ω

R11,R12,R13,R14,R15 = 10kΩ

P1 = 10kΩ linear potentiometer

Semiconductors

SA39-11SYKWA (Kingbright) 7-segment display

DC-10GWA (Kingbright) LED-bargraph

LCD, alphanumerical, 2x16 characters, with I²C Interface

Miscellaneous

K6,K7,K8,K9,K10,K14,K15,K16,K17 = 2-way pinheader socket, 0.1'' pitch

K12,K13 = 4-way SIL pinheader socket, 0.1'' pitch
K11 = 8-way SIL pinheader socket, 0.1'' pitch
K5 = 10-way SIL pinheader socket, 0.1'' pitch
K1,K2,K3,K4 = 17-way SIL pinheader socket, 0.1'' pitch
K18 = 8-way (2x4) pinheader socket, angled, 0.1'' pitch
K19,K20 = 5-way SIL pinheader socket, 0.1'' pitch

K21,K22 = 10-way SIL pinheader socket, 0.1'' pitch, or 20-way IC socket

S1,S2,S3,S4,S5 = tactile-feedback pushbutton, 24V, 50mA, 6x6 mm

Breadboard 47x35 mm, 170 contacts (e.g. Kuongshun AA055)

Standoffs for LCD

ESP32 Pico-Board (www.elektor.com/esp32-pico-kit-v4)

PCB no. 179006-1 Rev 1.0

 

 

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