Reviews Optical Pin tia Receiver Module

HiLetgo HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino

The factory setting is slave mode, but you can set this module to master mode so that you might be able to connect to other Bluetooth 2.0 devices.HC-05 Wireless BT Module.
HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED..
Master and Slave 2-IN-1 HC 05 Module:Working Voltage 3.6V to 6V , Default baud rate:9600,Default pin:1234.
Button: Press the button, the module enter the AT mode. AT commands are executed only in AT mode..
6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your Arduino Board.

The factory setting is slave mode, but you can set this module to master mode so that you might be able to connect to other Bluetooth 2.0 devices.HC-05 Wireless BT Module.
HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED..
Master and Slave 2-IN-1 HC 05 Module:Working Voltage 3.6V to 6V , Default baud rate:9600,Default pin:1234.
Button: Press the button, the module enter the AT mode. AT commands are executed only in AT mode..
6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your Arduino Board.

Wireless WiFi Bluetooth 2 in 1 dual-core CPU module MINI KIT ESP32 module development board module.
100% compatible with Arudino IDE, Lua and Micropython.
Designed with ultra-low power technology, it offers the full range of performance and features of the ESP32 chip. The pin arrangement provides compatibility with the modules developed for the D1 Mini ESP8266 while also offering fast WLAN, enhanced GPIO, Bluetooth functionality.
All I/O pins have interrupt, PWM, I2C and one-wire capability, except the pin DO.
It has a similar pin layout to the conventional D1 Mini ESP8266-12F and is therefore pin-compatible with most accessories for it..

Receiver lock provides added security and theft deterrence while towing.
1/2 in. trailer hitch locking pin is rated up to 3,500 lbs (Class I and II), 5/8 in. trailer hitch locking pin is rated up to 10,000 lbs (Class III and IV).
Locking head rotates 360 degrees allowing keyway to conveniently face forward.
receiver lock features push-to-lock locking mechanism to ensure a secure lock every time.
Push head firmly onto the pin and remove key.
Snap-on cover provides weather resistance and prevents dirt and moisture from entering keyway, four-pin cylinder for added security to prevent lock picking.
5/8 in. (16 mm) Diameter pin fits 2 in. (51 mm) Receiver Tubes, Class III/IV.
1/2 in. (13 mm) Diameter pin fits 1-1/4 in. (32 mm) Receiver tubes, Class II.
Usable length of each chrome hitch pin lock is 2-3/4 in. (70 mm).
Included Components: Two Pins, Two Keys, One Locking Swivel Head.
For compatibility with bike or other storage racks, please consult the rack manufacturer’s recommendations prior to using this product.

VERSATILE. The 5/8-inch diameter of this hitch pin is compatible with any ball mount or other trailer hitch accessories with a 2-inch shank and 5/8-inch pin hole, making this receiver hitch pin a perfect fit for most class 3, 4 and 5 trailer hitches.
EASY TO GRIP. The 105-degree bend in this trailer hitch pin creates a useful handle for easier use and allows the pin to stay securely engaged in the trailer hitch and ball mount.
CORROSION-RESISTANT. Protected by a durable zinc-plated finish, this tow hitch pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time.
HIGH-STRENGTH. This 5/8-inch trailer hitch pin is made out of solid steel for reliable strength, safety on the road and confidence with every mile of your adventure.
SIMPLE TO INSTALL. To install this trailer hitch pin, simply insert your ball mount or other hitch accessory into the receiver on your vehicle. With the pin holes in the side of the receiver tube lined up, insert the hitch pin. Then, install the clip.

VERSATILE. The 1/2-inch diameter of this hitch pin is compatible with any ball mount or other trailer hitch accessories with a 1-1/4-inch shank and 1/2-inch pin hole, making this receiver hitch pin a perfect fit for most class 1 and class 2 hitches.
EASY TO GRIP. The 105-degree bend in this trailer hitch pin creates a useful handle for easier use and allows the pin to stay securely engaged in the trailer hitch and ball mount.
CORROSION-RESISTANT. Protected by a durable zinc-plated finish, this tow hitch pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time.
HIGH-STRENGTH. This 1/2-inch trailer hitch pin is made out of solid steel for reliable strength, safety on the road and confidence with every mile of your adventure.
SIMPLE TO INSTALL. To install this trailer hitch pin, simply insert your ball mount or other hitch accessory into the receiver. With the pin holes in the side of the receiver tube lined up, insert the hitch pin and install the clip.

The module has been soldered and assembled. Support for Raspberry Pi 2 3 4 Zero..
3 Type Output: Male Pin Header, Female Pin Header and Terminal Blocks..
With 4pcs double-screw bolts and 8pcs screws. (Noted: the module not included Raspberry Pi Board)..

VERSATILE. The 5/8-inch diameter of this hitch pin is compatible with any ball mount or other trailer hitch accessories with a 2-inch shank and 5/8-inch pin hole, making this receiver hitch pin a perfect fit for most class 3, 4 and 5 trailer hitches.
EASY TO GRIP. The 105-degree bend in this black trailer hitch pin creates a useful handle for easier use and allows the pin to stay securely engaged in the trailer hitch and ball mount.
CORROSION-RESISTANT. Protected by a durable black zinc-plated finish, this tow hitch pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time.
HIGH-STRENGTH. This 5/8-inch trailer hitch pin is made out of solid steel for reliable strength, safety on the road and confidence with every mile of your adventure.
SIMPLE TO INSTALL. To install this trailer hitch pin, simply insert your ball mount or other hitch accessory into the receiver on your vehicle. With the pin holes in the side of the receiver tube lined up, insert the hitch pin. Then, install the clip.