Z-80 Microprocessor Trainer (Microprocessor Training Kit)

 

Z-80 Microprocessor Trainer (Microprocessor Training Kit) - This product is a Z-80 microprocessor practicum tool equipped with an 8-bit LED output. 
Very suitable for students and students, and hobbyists
Always ask for stock conditions before ordering.
Specification:
CPU: Z80-CPU
RAM: 2 Kbyte and expandable up to 4 Kbyte (6116)
EPROM: 2 Kbyte
Display: 6 digit seven segment
Keyboard: 36 keys (19 function keys, 16 hexa digit keys and 1 reset key)
Krisbow aluminum suitcase packaging
Package contains:
Z80 Microprocessor Trainer
PIO LED Output Interface
AC to DC Power Supply 5V / 500mA
Practice guide and answer key (PDF file)

Complete Digital Stereo Mini FM Transmitter

Complete Digital Stereo Mini FM Transmitter - An FM transmitter with clear audio quality is not inferior to a million-priced transmitter with a range ranging from 2 to 5 kilometers depending on the height 
of the antenna. It is suitable for community radio, school radio, shop radio, or for broadcasting within the city, sub-district or village scope.
The advantage of this FM transmitter is that it is waterproof 24 hours non-stop every day, it is equipped with an internal power supply and a cooling fan in it. 
Digital channel display 87.5 - 108MHz there is an UP/DOWN button to adjust the empty channel in the respective area.
Features:
FM transmitter ready on air
Stereo audio input L/R
Digital PLL 87.5 - 108MHz
Mini compact design
Power output 5 watts
Internal power supply
Save electricity consumption only 36watt
Sales Package:
1x Stereo FM Transmitter
1x Cable 12 meters
1x Antenna dipole

Arduino Nano 5V 16MHz Compatible Development Board ATmega328P

 

Arduino Nano 5V 16MHz Compatible Development Board ATmega328P - 

Based on Arduino Nano Development Board and layout. Reliable for projects that need low power consumption.

8 analog inputs: A0 ~ A7

14 Digital input/output: TX, RX, D2~D13

6 PWM ports: D3, D5, D6, D9, D10, D11

1 pair serial transceivers: RX & TX

Using Atmega328 AU

There is bootloader installed

Support USB download and Power

Support for external 5V ~ 12V DC power supply

Support power supply by 9V battery

Support ISP download

Notes:

There may be slight variations in components and layouts from each batch of shipments, but the functionality and pinout remain the same.

Smarthome, IoT, ESP32, alternative ESP8266, DIY, Atmel, sensor programming, automation, deep sleep, low current consumption, Atmel, ATmega328P, SMD

ESP-WROOM-32 Dual Core Development Module ESP32 WiFi Bluetooth ESP-32s

 

ESP-WROOM-32 Dual Core Development Module ESP32 WiFi Bluetooth ESP-32s

Quality Notes:
This is the Premium version of the ESP32 Board that still uses quality components, not the strip-down version of the board whose components are replaced 
to make it cheaper,
but at the expense of reliability.
1. Serial Chip: CP2102 (not CH9102)
2. Main Capacitor: Yellow Tantalum (not Black Tantalum)

ESP32 chip specifications:
+ Cores: Dual
+ Wi-Fi: 2.4 GHz up to 150 Mbits/s
+ Bluetooth: BLE and Legacy Bluetooth
+ It runs 32 bit programs.
+ Clock frequency: up to 240MHz
+ RAM: 512 kB
Peripherals:
+ Hall Effect Sensor
+ Temperature Sensor
+ Capacitive Touch
+ ADCs
+ DACs
+ UART
+ SPI
+ I2C
+ I2S (Integrated Inter-IC Sound)

ESP32-CAM WiFi Bluetooth Dual Core Development Board w/ OV2640 Camera

ESP32-CAM WiFi Bluetooth Dual Core Development Board w/ OV2640 Camera - The ESP32-CAM is a very small camera module with the ESP32-S chip. Besides the 160° OV2640 camera, and several GPIOs to connect peripherals, it also features 

a microSD card slot that can be useful to store images taken with the camera or to store files to serve to clients.

Features:

+ The smallest 802.11b/g/n Wi-Fi BT SoC module

+ Low power dual-core 32-bit CPU, can also serve the application processor

+ Up to 160MHz clock speed, summary computing power up to 600 DMIPS

+ Built-in 520 KB SRAM, external 4MPSRAM

+ Supports UART / SPI / I2C / PWM / ADC / DAC

+ Support OV2640 and OV7670 cameras, built-in flash lamp

+ Support image WiFi upload

+ Support TF card

+ Supports multiple sleep modes

+ Embedded Lwip and FreeRTOS

+ Supports STA/AP/STA+AP operation mode

+ Support Smart Config/AirKiss technology

+ Support for serial port local and remote firmware upgrades (FOTA)

Package Included:

1 pcs ESP32-CAM Module

1 pcs 160° OV2640 Camera