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Lead expander - 4 channel - with I2C multiplexer - PCA9546 - STEMMA QT/Qwiic - Adafruit 5664
Brand: Adafruit
Product Code: AN-22545
Availability: 4-6 business days
Planned delivery date after ordering: 2025-08-15
Product Code: AN-22545
Availability: 4-6 business days
Planned delivery date after ordering: 2025-08-15
Ex Tax: 8.84€
Module with a multiplexer manufactured by Adafruit and equipped with the PCA9546 chip, which is a replacement for the popular TCA9548A chip. The module allows you to connect up to 4 separate I2C digital buses to one microcontroller interface. The I2C bus address occupied by the multiplexer is 0x70, it can also be configured in the range from 0x70 to 0x77 using jumpers located at the back of the module. The pinouts are STEMMA QT/Qwiic connectors, evenly spaced on both sides of the board.
Specification:
- Type: lead expander with multiplexer
- Built-in chip: PCA9546
- Number of channels: 4
- Communication interface: I2C bus
- Bus address: 0x70, adjustable from 0x70 to 0x77
- Supply voltage: 3 V to 5 V or 3 V / 500 mA
- Pins: STEMMA QT/Qwiic connectors
- Board dimensions: 25.3 x 20.3 x 4.8 mm
- Weight: 2.5 g
Set includes:
- Lead expander - 4-channel - with I2C multiplexer - PCA9546 - STEMMA QT / Qwiic
- Goldpin strip 1x6 - raster 2.54 mm
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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 150€ - 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.
A separate delivery fee applies to oversized items, regardless of the amounts and conditions stated above.
International delivery pricing through courier service
International shipping prices depend on geographic location:
Latvia - 5.50€ (incl. VAT)
Estonia - 6.50€ (incl. VAT)
Paid orders of more than 150€ are shipped for free to Latvia and Estonia.
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€.
