Shop - Stem Lore https://stemlore.com/shop/ My WordPress Blog Wed, 20 Aug 2025 06:02:09 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.2 245927699 Arduino UNO R4 WiFi https://stemlore.com/product/arduino-uno-r4-wifi/ https://stemlore.com/product/arduino-uno-r4-wifi/#respond Fri, 27 Jun 2025 08:04:47 +0000 https://stemlore.com/?post_type=product&p=532 All the power of the Minima, with integrated Wi-Fi® and Bluetooth® capabilities! This board is ideal for building connected projects, smart systems, and learning IoT applications under your STEM training program in India.

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Technical Specifications-

Feature Specification
Main Microcontroller Renesas RA4M1 (Arm® Cortex®-M4, 48 MHz)
Connectivity Chip ESP32-S3 MINI (240 MHz, dual-core, Wi-Fi 4 + Bluetooth 5 LE)
Flash Memory 256 kB (RA4M1)
SRAM 32 kB (RA4M1) + 512 kB (ESP32-S3)
EEPROM 8 kB
Operating Voltage 5 V logic / 3.3 V for Qwiic and ESP32
Digital I/O Pins 14 (with 6 PWM)
Analog Input Pins 6 (14-bit resolution)
Analog Output (DAC) 1 (12-bit resolution)
Communication UART, SPI, I²C (incl. Qwiic), CAN
USB Interface USB Type-C (with HID emulation support)
Additional Peripherals 12×8 LED matrix, Qwiic connector, RTC with backup, SWD header
Logic Level Translation Built-in TXB0108 translator (5V ↔ 3.3V)
Form Factor UNO R3 compatible
Dimensions 68.9 mm × 53.4 mm

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]]> https://stemlore.com/product/arduino-uno-r4-wifi/feed/ 0 532 Arduino UNO R4 Minima https://stemlore.com/product/arduino-uno-r4-minima/ https://stemlore.com/product/arduino-uno-r4-minima/#respond Fri, 27 Jun 2025 07:55:15 +0000 https://stemlore.com/?post_type=product&p=531 A perfect microcontroller for students and makers stepping into electronics. With the reliable Renesas RA4M1 chip, expanded memory, and precise analog features, it's ideal for learning STEM concepts with a hardware-first approach.

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Technical Specifications-

Feature Specification
Microcontroller Renesas RA4M1 (Arm® Cortex®-M4, 48 MHz)
Flash Memory 256 kB
SRAM 32 kB
EEPROM 8 kB
Operating Voltage 5 V (logic); VIN: 6–24 V
Digital I/O Pins 14 (of which 6 provide PWM output)
Analog Input Pins 6 (14-bit resolution)
Analog Output (DAC) 1 (12-bit resolution)
Communication UART, I²C, SPI, CAN
USB Interface USB Type-C (power + programming)
Onboard Peripherals RTC, operational amplifier, capacitive touch, MPU, SWD header
Max Current/Pin 8 mA
Form Factor UNO R3 compatible
Dimensions 68.9 mm × 53.3 mm

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