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Dual-channel RS485 Expansion Hat - for Raspberry Pi 4B - DFRobot DFR0824
Brand: Dfrobot
Product Code: AN-22929
Availability: 4-6 business days
Planned delivery date after ordering: 2024-05-21
Product Code: AN-22929
Availability: 4-6 business days
Planned delivery date after ordering: 2024-05-21
Ex Tax: 33.80€
Dual-channel RS485 Expansion Hat is an overlay designed for the Raspberry Pi 4B minicomputer. It was designed to extend the functionality of the module with RS485 communication and thus increase the reliability of connections and prevent possible interference in data transmission. The shield has been equipped with protection circuits, such as lightning and surge protection, it also has a TVS diode and power supply isolation. In the extreme part of the board, there are pins in the form of screw connectors that enable simple and quick connection with other peripheral devices.
Main features:
- Two-channel RS485 shield for Raspberry Pi 4B
- Electrical and signal isolation
- Lightning and surge protection
- Transient voltage suppressor
- RX/TX data transmission and reception indicator
Specification:
- Operating voltage: 3.3 V
- Built-in RS485 transceiver: TP75176E
- Serial chip: CH432T
- Communication interface: RS485 x2
- Power indication: red LED
- TX communication signaling: blue LED
- RX communication signaling: green LED
- Terminal resistance: 120 Ohm x2
- Terminals: terminal strip (screw connector) 3-pin, raster 5.08 mm
- Compatibility: Raspberry Pi 3B+ / 4B
- Mounting hole diameter: 2.5 mm
- Board dimensions (measured without screw connections): 56 x 65 mm
Set includes:
- Dual-channel RS485 Expansion Hat - two-channel shield for Raspberry Pi 4B - 1 piece
- Mounting screws - 8 pieces
- Spacer sleeves - 4 pieces
Claim orders from Stores
You can claim your purchased items within 1 - 4 work days after making an order (if product is in local warehouse).
Please wait for an email notification regarding Your order status update.
Vilnius Store address: Vytenio g. 20, LT-03229 Vilnius, Lietuva
Kaunas Store address: Pramonės pr. 4D, LT-51329, Kaunas, Lietuva
Local delivery in Lithuania
Purchased items are delivered locally through Venipak service. Depending on availability of items, orders are processed within 1-3 work days. Orders made until 1AM are shipped the same day.
Local delivery (1-4 w.d.) price for items of any size is through through courier service is 4.90€ (incl. VAT), if the amount of the shopping cart exceeds 70€ - delivery is free.
Local delivery price to Venipak parcel terminals (1-3w.d.) is 2.90€ incl. VAT, if the amount of the shopping cart exceeds 50€ - delivery is free.
Local delivery price to Omniva parcel terminals (1-3w.d.) is 3.90€ incl. VAT,if the amount of the shopping cart exceeds 70€ - delivery is free.
Payment on delivery (COD) +2.00€ (incl. VAT).
You can pay for the goods at the time of delivery to the courier in cash or by credit card. Payment to Omniva parcel terminals is only possible by bank card.
International delivery pricing through courier service
International shipping prices depend on geographic location:
Latvia - 5.50€ (incl. VAT)
Estonia - 6.50€ (incl. VAT)
other countries - negiotiated individually.
International delivery pricing to Omniva/Venipak parcel terminals
Latvia - 6.00€ (incl. VAT)
Estonia - 8.50€ (incl. VAT)
Payments:
We accept payments via PayPal for orders over 20€.
Paid orders of more than 100€ are shipped for free to Latvia and Estonia.
Product availability status:
Vilnius Store In Stock - the product is at the store, Vytenio str. 20 in Vilnius and can be picked up / purchased at same day;
Kaunas Store In Stock - the product is at the store, Pramonės pr. 4D in Kaunas and can be picked up / purchased the same day;
Central Warehouse In Stock - In stock, product will be shipped in a short time 1-2 work days;
1-2 work days - product will be shipped in a short time - 1-2 business days;
2-3 work days – we don’t have selected product in local warehouse. Shipping time is only 2-3 work days;
3-5 work days – we don’t have selected product in local warehouse. Shipping time is between 3-5 work days;
3-7 work days – we don’t have selected product in local warehouse. Shipping time is between 3-7 work days;
Out of Stock – selected product is sold out at the moment, but you can apply for automatic alert by email when product will be in stock.
