It appears that your cart is currently empty
STM32_MMDVM_HS HAT Guidenew pi4b need remove R1 Resistor.STM32_MMDVM_HS HAT Rev1.7 Guide1.Hardware add (SDA,SCL)R20,R21 Connect stm32 i2c 2 bus to OLED,and raspi. oled message pwr on without RPI using mmdvm_hs custom fw,and i2c 2 bus.
2.Support i2c communition with raspi
Setting For Pi-star software and raspberry hardware (rpi 0-3) new pi4b need remove R1 Resistor.
Controller Mode: Simplex Node
Radio Frequency: Freq:144-148,219-225,(Main Band)420-475,842-950
Example: 438.000000
Radio/Modem Type: STM32-DVM(GPIO)
14.7456 TCXO with RXOFFSET=0 TXOFFSET=0Quick start:1.download image https://www.pistar.uk/downloads/ write it to card
2.insert card to rpi
3.wait to boot 5 minutes connect wifi Pi-star-setup pass raspberry
4.open http://pi-star/admin/5.set freq ,dmr id ,dmr mode,add home's wifi ssid...Default Username: pi-starDefault Password: raspberryto support i2c communication change MMDVM_HS code(by Andy Uribe CA6JAU)->Config.h// Host communication selection://#define STM32_USART1_HOST//#define STM32_USB_HOST#define STM32_I2C_HOSTto disable i2c 2 to raspi and oled just remove R20,R21 update new FW: (pi-star / expert / ssh access / user :pi-star pass:raspberry)sudo pistar-mmdvmhshatflash hs_hatps:update new FW no oled pwr on message.mode info pls visitwww.mmdvm.club
Related product
HappyFish.co.za
Chameleon 3.0 Smart Card Emulato...
Features:1. Supports multiple NFC/RFID functions, in...
R 1,239.54 R 819.69
Features:1. Supports multiple NFC/RFID functions, including MIFARE Classic, Ultralight, DESFire, Plus, NTAG 21x, EM410x, and T5577 card types.2. Simultaneously emulates up to 16...
HappyFish.co.za
WZ3605E CNC DC Buck-Boost Conver...
Feature:>>>Manual: Click here to open<&l...
R 1,277.63 R 975.10
Feature:>>>Manual: Click here to open<<< Model WZ3605E Input voltage 6.0~36.00V Output voltage 0.60~36.00V Output current 0~5.000A Output po...
HappyFish.co.za
CANable USB to CAN Converter Mod...
Specifications:Model: CANABLE_PRInput Voltage: 5V DC...
R 494.70
Specifications:Model: CANABLE_PRInput Voltage: 5V DCColor: Blue & TransparentMaterial: PCB+ Plastic+MetalWeight:15gSize:75.5*24*18.5Features:1. USB to can module is transpla...
HappyFish.co.za
ESP32-S3 A7670E 4G Development B...
Specification:Model: ESP32-S3 A7670EDimensions: 125m...
R 2,325.64 R 1,929.70
Specification:Model: ESP32-S3 A7670EDimensions: 125mm x 34mm x 31.6mm (Acrylic Case), 110mm x 58.76mm (PCB Board).Processor: ESP32-S3 with Xtensa® 32-bit LX7 dual-core processor...
HappyFish.co.za
WZ5020L DC-DC 50V 20A 1000W Buck...
>>>Manual: Click here to open<<<No...
R 885.64 R 729.70
>>>Manual: Click here to open<<<Note:This product is a step-down module and cannot be boosted! The input voltage is 55V, and the output voltage can be adjusted...
HappyFish.co.za
ESP32-Aduio-Kit ESP32-A1S ESP32 ...
Specifications:Product Name: ESP32-Audio-KitDevelope...
R 865.00 R 657.69
Specifications:Product Name: ESP32-Audio-KitDeveloped by: Ai-ThinkerModule: ESP32-A1SAudio Codec Chip: ES8388Audio Peripherals: TF card, headphone output, two microphone inputs,...