A trill, generally three very fast notes on repique/caixa, two or three for surdos Add schematic, start on PCB with on-board antenna Class 2 Bluetooth Module without antenna Low-Power Long Range LoRa Transceiver Module LoRa Radio, RF, Module, http://www.hoperf.com/upload/rf/RFM69HW-V1.3.pdf 8 pin connector, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F215079%7FY1%7Fpdf%7FEnglish%7FENG_CD_215079_Y1.pdf%7F215079-4 connector TE-Connectivity Micro-MaTch female-on-board top-entry thru-hole 8 pin SIM connector for 1.6mm PCB's with 08 contacts (polarized Highspeed card edge connector for PCB's with 50 contacts (not polarized Highspeed card edge connector for PCB's with 05 contacts (not polarized Highspeed card edge connector for PCB's with 70 contacts (not polarized Highspeed card edge connector for PCB's with 05 contacts (not polarized Highspeed card edge connector for 1.6mm PCB's with 70 contacts (not polarized Highspeed card edge connector for 2.4mm PCB's with 20 contacts (polarized conn samtec card-edge socket high-speed 0.8 mm Highspeed card edge connector for 1.6mm PCB's with 40 contacts (not polarized Highspeed card edge connector for 1.6mm PCB's with 60 contacts (not polarized Highspeed card edge connector for panel, 90° PCB mount 4 pin SMD MSOP, 8 Pin (https://www.onsemi.com/pub/Collateral/NUF4401MN-D.PDF#page=6), generated with kicad-footprint-generator JST GH series connector, 53398-0971 (http://www.molex.com/pdm_docs/sd/533980271_sd.pdf), generated with kicad-footprint-generator Soldered wire connection, for 6 times 1.5 mm² wires, reinforced insulation, conductor diameter 0.65mm, outer diameter 1mm, size source Multi-Contact FLEXI-E_0.25 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-106-02-xxx-DV-LC, 6 Pins (http://www.farnell.com/datasheets/2157639.pdf), generated with kicad-footprint-generator Molex CLIK-Mate series connector, 501331-0607 (http://www.molex.com/pdm_docs/sd/5013310207_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for a 1uF capacitor; expand a bit, but also size it for practice ** about $3 each. * Replacing LEDs in sliders, lit for each stage? * TBD, needs testing * State Gates (from Befaco) * TBD, needs testing * State Gates (from Befaco) * TBD, needs testing; but.