Kinetis KL27 series, 48-MHz/32-bit ARM Cortex-M0+, 256 kB flash, 32 kB SRAM, USB FS Device (xtal-less)/OTG, LQFP-64 Kinetis KL27 ARM Cortex M0+ LQFP*10x10mm*P0.5mm*

Kinetis KL17 series, 48-MHz/32-bit ARM Cortex-M0+, 64 kB flash, 16 kB SRAM, FlexIO, LQFP-64 Kinetis KL17 ARM Cortex M0+ LQFP*10x10mm*P0.5mm*

Kinetis KV11 series, 75-MHz/32-bit ARM Cortex-M0+, 128 kB flash, 16 kB RAM, Entry-Level, Real-time Motor Control, LQFP-64 Kinetis KV11 ARM Cortex M0+ LQFP*10x10mm*P0.5mm*

Kinetis KL27 series, 48-MHz/32-bit ARM Cortex-M0+, 64 kB flash, 16 kB SRAM, USB FS Device (xtal-less)/OTG, LQFP-64 Kinetis KL27 ARM Cortex M0+ LQFP*10x10mm*P0.5mm*

Kinetis KL17 series, 48-MHz/32-bit ARM Cortex-M0+, 256 kB flash, 32 kB SRAM, FlexIO, LQFP-64 Kinetis KL17 ARM Cortex M0+ LQFP*10x10mm*P0.5mm*

Kinetis KL27 series, 48-MHz/32-bit ARM Cortex-M0+, 256 kB flash, 32 kB SRAM, USB FS Device (xtal-less)/OTG, QFN-48 Kinetis KL27 ARM Cortex M0+ QFN*7x7mm*P0.5mm*

Kinetis KL17 series, 48-MHz/32-bit ARM Cortex-M0+, 256 kB flash, 32 kB SRAM, FlexIO, QFN-48 Kinetis KL17 ARM Cortex M0+ QFN*7x7mm*P0.5mm*

Kinetis KL05 series, 48-MHz/32-bit ARM Cortex-M0+, 32 kB flash, 4 kB SRAM, LQFP-48 Kinetis KL05 ARM Cortex M0+ LQFP*7x7mm*P0.5mm*

Kinetis KL04 series, 48-MHz/32-bit ARM Cortex-M0+, 32 kB flash, 4 kB SRAM, LQFP-48 Kinetis KL04 ARM Cortex M0+ LQFP*7x7mm*P0.5mm*

Kinetis KL25 series, 48-MHz/32-bit ARM Cortex-M0+, 128 kB flash, 16 kB SRAM, USB FS Device/OTG, QFN-32 Kinetis KL25 ARM Cortex M0+ QFN*5x5mm*P0.5mm*

Kinetis KL24 series, 48-MHz/32-bit ARM Cortex-M0+, 64 kB flash, 8 kB SRAM, USB FS Device/OTG, QFN-32 Kinetis KL24 ARM Cortex M0+ QFN*5x5mm*P0.5mm*

Kinetis KL05 series, 48-MHz/32-bit ARM Cortex-M0+, 32 kB flash, 4 kB SRAM, LQFP-32 Kinetis KL05 ARM Cortex M0+ LQFP*7x7mm*P0.8mm*

Kinetis KL05 series, 48-MHz/32-bit ARM Cortex-M0+, 32 kB flash, 4 kB SRAM, QFN-24 Kinetis KL05 ARM Cortex M0+ QFN*4x4mm*P0.5mm*

Kinetis KL02 series, 48-MHz/32-bit ARM Cortex-M0+, 32 kB flash, 4 kB SRAM, QFN-24 Kinetis KL02 ARM Cortex M0+ QFN*4x4mm*P0.5mm*

Kinetis KL04 series, 48-MHz/32-bit ARM Cortex-M0+, 32 kB flash, 4 kB SRAM, QFN-24 Kinetis KL04 ARM Cortex M0+ QFN*4x4mm*P0.5mm*

SOP65P640X120-20N STM32F042F6P6 http://uk.rs-online.com/web/p/products/8607501P 32-Bit MCU 32K Flash USB2.0 CAN TSSOP20 STMicroelectronics STM32F042F6P6, 32bit ARM Cortex M0 Microcontroller, 48MHz, 32 kB Flash, 20-Pin TSSOP 8607501P 1.2mm STMicroelectronics 511-STM32F042F6P6 https://www.mouser.com/Search/Refine.aspx?Keyword=511-STM32F042F6P6

8km UART Through Hole RF Transceiver Modules and Modems RoHS,3.3V~5.2V,-40 ~ 80C The E32-433T30D is based on the Semtech SX1278 LoRa chipset and uses LoRa spread-spectrum modulation to achieve long-distance, highly reliable wireless communication even in noisy environments. It communicates with a microcontroller via UART (serial interface), making it easy to integrate with Arduino, ESP32, STM32, and similar systems. It is commonly used for IoT telemetry, remote control systems, sensor networks, and industrial monitoring, especially where GSM/Wi-Fi is unavailable or impractical. Key Features Frequency range: 410–441 MHz (433 MHz default) RF output power: 21–30 dBm (up to 1 W high-power version) LoRa modulation: High sensitivity and strong anti-interference Communication distance: up to ~8 km (open area, ideal conditions) Interface: UART TTL serial (3.3 V logic level) Sensitivity: around -147 dBm for long-range reception Low data rate support: ~0.3 kbps to 19.2 kbps Half-duplex communication (TX/RX not simultaneous) Configurable modes: normal / wake-up / power-saving / sleep via M0 & M1 pins Compact module size with SMA antenna connector Wide operating temperature: -40 °C to +85 °C Important Notes Requires external microcontroller (MCU) for operation (not standalone). Must not leave M0 and M1 pins floating (must be defined HIGH/LOW or GND). Works best with proper 433 MHz antenna (2–5 dBi recommended). Power supply must be stable (typically 5V with sufficient current capability). For maximum range, line-of-sight + correct antenna height matters more than raw power. Applications Smart agriculture monitoring Remote sensor networks Utility meter reading (water/gas) Industrial telemetry systems Drone/robot communication links Remote control & automation systems #E32_433T30D #Ebyte #LoRa #SX1278 #WirelessModule #IoT #Telemetry #LongRangeCommunication #UART #433MHzLoRa #EmbeddedSystems

ATSAMD21G18 Feather M0 Basic Proto series ARM® Cortex®-M0+ MCU 32-Bit Embedded Evaluation Board

Kinetis KL04 series, 48-MHz/32-bit ARM Cortex-M0+, 32 kB flash, 4 kB SRAM, QFN-32 Kinetis KL04 ARM Cortex M0+ QFN*5x5mm*P0.5mm*

Programmable Radio-on-Chip With Bluetooth Low Energy, 48-MHz ARM® Cortex®-M0 , 56-QFN CYPRESS PROC BLE CY8BL ARM CORTEX M0 BLUETOOTH QFN QFN*1EP*7x7mm*P0.4mm*

Programmable System-on-Chip With Bluetooth Low Energy, 24/48-MHz ARM® Cortex®-M0 , 56-QFN CYPRESS PSOC BLE CY8 CY8C4 ARM CORTEX M0 BLUETOOTH QFN QFN*1EP*7x7mm*P0.4mm*

Power Relays 881WP2-1BC-F-C M06 9VDC RELAY-TH_881WP2-1BC-F-C-M06-9VDC LCSC Part Number: C712705 JLCPCB Part Class: Extended Part Manufactured by Song Chuan(松川)

Infrared (IR) LEDs M0603P1VIRS28U12 940nm LED0603-RD_1 LCSC Part Number: C22466181 JLCPCB Part Class: Extended Part Manufactured by Silverlight(银月光)

Infrared (IR) LEDs M0603P1VIRS28U12 850nm LED0603-RD_1 LCSC Part Number: C22466180 JLCPCB Part Class: Extended Part Manufactured by Silverlight(银月光)