ET-A23
ALPS Thumb Joystick
Genuine ALPS 2-axis joystick with push button
AED 26.00
Out of stockOverview
Genuine ALPS 2-axis joystick with push button
The ET-A23 is built around the ALPS RKJXV122400R — 2 × 10kΩ potentiometers, return-to-centre, push switch, wave-soldered THT. It connects over 2 analog outputs + 1 digital button and is powered from 3.3–5V (match your ADC reference).
Designed in Dubai by ElectroTrical — the full schematic, BOM and design notes are published below.
Good for
- Game controllers
- Robot and camera remotes
- Menu navigation
Key features
What makes it different
Joystick
ALPS RKJXV122400R: 2 × 10kΩ potentiometers, return-to-centre, push switch, wave-soldered THT
Interface
2 analog outputs + 1 digital button
Supply
3.3–5V (match your ADC reference)
Filtering
1k/100nF on each axis, RC-debounced button
Open documentation
Schematic, BOM and layout notes published for every board.
Breadboard friendly
Standard 2.54 mm pitch and M2.5 mounting holes.
Specifications
Technical specifications
| Joystick | ALPS RKJXV122400R: 2 × 10kΩ potentiometers, return-to-centre, push switch, wave-soldered THT |
|---|---|
| Interface | 2 analog outputs + 1 digital button |
| Supply | 3.3–5V (match your ADC reference) |
| Filtering | 1k/100nF on each axis, RC-debounced button |
| Size | 30.0 × 30.0 mm |
|---|---|
| Mounting | 4 × M2.5 holes, 2.54 mm from each corner |
| Connectors | 5-pin 2.54 mm header |
| Main IC | RKJXV122400R (LCSC C918854) |
| Revision | Rev A |
| Libraries | analogRead / ESPHome adc + binary_sensor; Arduino Joystick libraries |
|---|
Performance
Feel
Pinout
Pin map and connections
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VIN | Power | 3.3–5V (axis full scale = VIN) |
| 2 | GND | Ground | Ground |
| 3 | VRX | Signal | X axis, analog, ~VIN/2 at centre |
| 4 | VRY | Signal | Y axis, analog |
| 5 | SW | Control | Push: low when pressed |
Mechanical
Dimensions and what's in the box
In the box
- 1 × ET-A23 ALPS Thumb Joystick (assembled)
- 1 × 5-pin 2.54 mm male header, unsoldered
Getting started
- Wire the header: VIN, GND, VRX, VRY, SW
- Libraries:
analogRead/ ESPHomeadc+binary_sensor
Compare
Which input control?
| ALPS Thumb Joystick (this board)This board | ET-A15 Rotary Encoder Breakout | ET-A20 4-Button Pad | |
|---|---|---|---|
| What it does | Genuine ALPS 2-axis joystick with push button | EC11 encoder with push switch and hardware debounce | Four debounced tactile buttons in a D-pad layout |
| Interface | 2 analog outputs + 1 digital button | 3 GPIO (interrupt-capable recommended) | — |
| Best for | Game controllers | Menu navigation | Menus and games |
| Price | 26 AED | 15 AED | 9 AED |
Downloads
Documents and design files
Need a custom version of this board?
Different connector, size or sensor? We design and build custom variants.