MeshCalc
Meshtastic running on Clockwork PicoCalc (Powered by Luckfox Lyra running on Ubuntu OS)
Install / Use
/learn @markbirss/MeshCalcREADME
MeshCalc
Meshtastic running on Clockwork PicoCalc (Powered by Luckfox Lyra running on Ubuntu OS)
BOARD | Tested OK | |:--|:--| | Keybaord | Yes | | Virtual Mouse via keyboard | Yes | | Display | Yes | | USB port | Yes | | SPI LoRa wio-sx1262 | Yes | | USB Networking | Yes | | ADB | Yes | | SDCARD Slot | No - remapped the spi bus to the external pins instead | | Serial Console | No - pins used for SPI LoRa | | Audio | No - needs hw mod and another gpio as i used it for LoRa | | USB WiFi | No - but maybe could look at incl some |
https://www.clockworkpi.com/
https://forum.clockworkpi.com/t/luckfox-lyra-on-picocalc/16280
<img width="1848" height="4000" alt="image" src="https://github.com/user-attachments/assets/d77ee284-ed74-401e-8a5d-81226d0719b4" />** [Connection - External GPIO Used] **
Pinout (pictured above)
Core GPIOs LoRa OK
1 3V3 Output 3V3 3V3 Red
2 GP2 RAM_TX RM_IO12 MOSI Blue
3 GP3 RAM_RX RM_IO13 MISO Green
4 GP4 RAM_IO2 RM_IO0 [Rxen] Gray
5 GP5 RAM_IO3 RM_IO1 IRQ Purple
6 GP21 RAM_SCK RM_IO26 SCK Yellow
7 GP28 Free RM_IO24 CS Orange
8 GND GND GND Black
Mainboard GPIOs
1 3V3 OUT 3V3 3V3 Red
2 GP0 UART0_TX RM_IO22 Busy Brown
3 GP1 UART0_RX RM_IO23 Reset White
4 UART1_RX NC NC CKS32F103Rx
5 UART1_TX NC NC CKS32F103Rx
6 USB_DP NC NC
7 USB_DN NC NC
8 GND NC NC
root@luckfox:/# gpioinfo 0
gpiochip0 - 32 lines:
line 0: unnamed "portduino" output active-high [used]
line 1: unnamed "portduino" input active-high [used]
line 2: unnamed "ili9488_drv" output active-high [used]
line 3: unnamed "ili9488_drv" output active-high [used]
line 4: unnamed "ili9488_drv" output active-high [used]
line 5: unnamed unused input active-high
line 6: unnamed unused input active-high
line 7: unnamed unused input active-high
line 8: unnamed unused input active-high
line 9: unnamed "portduino" output active-high [used]
line 10: unnamed unused input active-high
line 11: unnamed unused input active-high
line 12: unnamed unused input active-high
line 13: unnamed unused input active-high
line 14: unnamed unused input active-high
line 15: unnamed unused input active-high
line 16: unnamed unused input active-high
line 17: unnamed unused input active-high
line 18: unnamed unused input active-high
line 19: unnamed unused input active-high
line 20: unnamed unused input active-high
line 21: unnamed unused input active-high
line 22: unnamed "portduino" output active-high [used]
line 23: unnamed "portduino" input active-high [used]
line 24: unnamed unused input active-high
line 25: unnamed unused input active-high
line 26: unnamed unused input active-high
line 27: unnamed unused input active-high
line 28: unnamed unused input active-high
line 29: unnamed unused input active-high
line 30: unnamed unused input active-high
line 31: unnamed unused input active-high
root@luckfox:/#
** [Meshtastic User Interface running (Framebuffer Mode)] - you can use the keyboards virtual mouse option with arrow keys and brackets **
Press Right Shift to enable virtual mouse
Boot Image Required for Meshtatic
[Ubuntu 22.04] Flash my other Ubuntu OS image for PicoCalc and then replace only boot.img https://github.com/markbirss/ubuntu_22.04.5_lts_picocalc
Download Link
https://drive.google.com/drive/folders/1v10ZoPi9GQchSC77REZS3_fdjDz7eGtV?usp=sharing
or
[Ubuntu 24.04]
https://github.com/markbirss/ubuntu-24.04.2-meshtastic-picocalc-wio-sx1262
or
[Ubuntu 24.04] Developer Image
https://github.com/markbirss/ubuntu-24.04.2-picocalc
Follow the meshtastic installation instructions from https://meshtastic.org/docs/software/linux/installation/
# Install requirements for add-apt-repository
sudo apt install software-properties-common
# Add Meshtastic repo
sudo add-apt-repository ppa:meshtastic/alpha
# Install meshtasticd
sudo apt install meshtasticd
edit /etc/meshtasticd/config.yaml
you need to specify a MAC address / MAC sources for your nodes unique ID
Replace boot image (with your Luckfox Lyra connected to via USB)
7z x boot.z
sha256sum boot.img
538b74d6b02b428a3506122c36815fa4cc0b6929808240d505f0635fc0c4d2dc boot.img
adb reboot loader
sudo ./upgrade_tool td
sudo ./upgrade_tool di -b ./boot.img
sudo ./upgrade_tool rd
Meshtastic LoRa config.yaml
/etc/meshtasticd/config.d/lora-lyra-picocalc-wio-sx1262.yaml
Lora:
Module: sx1262
DIO2_AS_RF_SWITCH: true
DIO3_TCXO_VOLTAGE: true
gpiochip: 0
MOSI: 12
MISO: 13
IRQ: 1
Busy: 23
Reset: 22
RXen: 0
gpiochip: 1
CS: 9
SCK: 11
# TXen: bridge to DIO2 on E22 module
SX126X_MAX_POWER: 22
spidev: spidev1.0
spiSpeed: 2000000
If you are using the waveshare pico lora hat or another sx1262 module
<img width="695" height="359" alt="image" src="https://github.com/user-attachments/assets/aacba10f-c813-449a-a358-d41e6a38fa3c" /> <img width="960" height="530" alt="image" src="https://github.com/user-attachments/assets/6bf5a8c8-ef23-4666-b2e2-0121dc97ffbc" /> <img width="695" height="187" alt="image" src="https://github.com/user-attachments/assets/deffd34f-d28b-4f79-b1d2-988760e925c9" />NOTE: the yaml file is whitespace sentsitive, keep the spaces
If you are using another SX1262 module simply comment out the RXen line with a #
Support my work and consider buying me a coffee
https://buymeacoffee.com/mark.birss
Security Score
Audited on Mar 14, 2026