Ep0FQl5X6e

Custom keypad

Overview

Video introduction address: https://www.bilibili.com/video/BV1A14y1n7Yo
Atmega32u4 main control
QMK_VIAL firmware, can be modified, set macro buttons, RGB matrix lighting

hardware accessories size:
lower shell base [M2*5mm knurled copper pillars 4 pieces 】
Between the PCB and the positioning plate [M2*4mm knurled copper pillars 4 pcs]
PCB fixing screws [M2*12mm flat head screws 4 pcs]
Upper and lower shell fixing [M2*4mm knurled copper pillars 4 pcs] [M2*5mm countersunk head 4 screws]
Knob diameter 25mm, height 15.5mm

Design Files

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2025-06-19 10:57:31

How to adjust the frequency by controlling the D0~D7 pins in AD9851 through a single chip microcomputer
Please explain in detail! ! Thank you, I need it urgently
Tuya Sandwich Wi-Fi & BLE SoC NANO Main Control Board WBRU Unboxing Review
[i=s]This post was last edited by full_stack on 2022-5-9 00:54[/i]I am grateful to the platform for giving me a trial opportunity. I applied for Wi-FiBLE SoC NANO (WBRU). After consulting Tuya enginee
MATLAB program for MOS loss calculation
t=data(:,1); V=data(:,2); I=data(:,3); plot(t,V,'g',t,I,'r') title('Power Loss '); xlabel('Time (s)');ylabel('Amplitude'); legend('Voltage (V)','Current (A)'); % for j = 1:length(I); % if (V(j)I(i)) %
AMG board experience
[align=left][font=宋体][color=#000000]The board comes from [url=http://bbs.360eet.com/forum.php]http://bbs.360eet.com/forum.php[/url]. Since there is no PWM output, it did not participate in AMG. Now I
MCU help
Digital electronic scale designed with 8051. What type of pressure sensor is better to match with what type of amplifier (the voltage range after amplification is preferably 0-5V)
About GPRS module
I use Zhou Ligong's ZWG-13A module, and the instruction set is AT. I can dial in Windows. But in Linux, there is no response when debugging through minicom, and wvdialconf can't detect the baud rate.

Datasheet More

Circuits More