Elecbee Sensor Development Kit STEM Programming Educational Sensor Module Multiple Function Sensor

 More information: 

 

 

Hardware Specifications
Chipset	ESP32, dual-core MCU, PMU power management
FLASH	QSPI flash 16MB / PSRAM  8MB
SRAM	520 kB SRAM
Button	power key, IO36
Extended function	Reference enhanced version and sensor kit
USB to TTL	CP2104
Modular interface	UART, SPI, SDIO, I2C, LED PWM, PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA
On-board clock	40MHz crystal oscillator
Working voltage	2.7V-3.6V
Working current	About 70mA
Sleep current	About 3mA
Working temperature range	-40℃ ~ +85℃
Size&Weight	46.47*43*20.4mm 43.19g
Display:	1.54 inch LCD capacitive touch screen
Sensor:	BMA423 three-axis accelerometer, built-in step counting algorithm, activity recognition / tracking, advanced gesture recognition.
RTC clock :	PCF8563
Power Supply Specifications
Power Supply	USB 5V/1A
Charging current	500mA
Battery	3.7V lithium battery
Wi-Fi
Standard	FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC(esp32 chip)
Protocol	802.11 b/g/n (802.11n, speed up to150Mbps) A-MPDU and A-MSDU polymerization, support 0.4μS Protection interval
Frequency range	2.4GHz~2.5GHz(2400M~2483.5M)
Transmit Power	22dBm
Communication distance	300m
Bluetooth
Protocol	Meet bluetooth v4.2BR/EDR and BLE standard
Radio frequency	with -97dBm sensitivity NZIF receiver Class-1, Class-2&Class-3 emitter AFH
Audio frequency	CVSD&SBC audio frequency
Software specification
Wi-Fi Mode	Station/SoftAP/SoftAP+Station/P2P
Security mechanism	WPA/WPA2/WPA2-Enterprise/WPS
Encryption Type	AES/RSA/ECC/SHA
Firmware upgrade	UART download/OTA (Through network/host to download and write firmware)
Software Development	Support cloud server development /SDK for user firmware development
Networking protocol	IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT
User Configuration	AT + Instruction set, cloud server, android/iOSapp
OS	FreeRTOS

 

1. Button Module:

 

A switch that can control the passage or open circuit. Generally, it is used as a passage and released as an open circuit.

 

Pin Details
 

ESP32	Attributes	Description
GPIO25	1-Wire	Button

 

2. RGB Module

 

Pin Details
 

ESP32	Attributes	Description
GPIO25	1-Wire	WS2812

 
3. Pir Human Detection Module
 

PIR sensors are commonly used for security alarms and automatic lighting applications.

PIR sensor detects general motion but does not provide information about the mover or moving object

 

Pin Details
 

ESP32	Attributes	Description
GPIO25	1-Wire	Pir infrared sensor

 

4. DHT11 Module:
 

It is a sensor combined with temperature and humidity sensing components.

The built-in processor converts the measured temperature and humidity data into digital signals, and then sends the data.

 

Pin Details
 

ESP32	Attributes	Description
GPIO25	1-Wire	DHT11

 

5. Door Contact
 

Door Contact is a device for security alarm. It consists of a wireless transmitter and a permanent magnet. It is used to detect whether doors, windows, drawers, etc. are illegally opened or moved.

 

Pin details
 

ESP32	Attributes	Description
GPIO25	1-Wire	Door

 

6. Microphone

 

The microphone is a device – a transducer – that converts sound into an electrical signal

 

Pin details
 

ESP32	Attributes	Description
GPIO33	1-Wire	Microphone

 

7. Function_extension

 

The expansion module can be freely combined with various modules.

 

Pin details
 

ESP32	Attributes	Description
GPIO25,26	NULL	Function_extension

 

 
 1 x Basic TTGO T-Watch

1 x Black strap

1 x DHT11 sensor

1 x Button sensor

1 x WS2812-RGB sensor

1 x Door-Contact sensor

1 x Pir sensor

1 x 2 Function extension sensor

1 x Microphone sensor

1 x A small box of For Lego latches

1 x USB-C charging cable

3 x Module connection cable (15cm)

3 x Module connection cable (30cm)

1 x Product manual

1 x Plastic box